Windows 10 and 11
Look for this icon the bottom right corner on windows 10 and 11
Mac OS
Look for this icon in the top right corner on Mac OS
iOS
On iOS devices, swipe down from the top then hold your finger over the wifi icon (same as above) and it will show you this popup with the name of your wifi network:
The name of your wifi network will be listed underneath the word Wi-Fi
Android
On most android devices you can swipe down from the top and in the menu, you will see a reference to wifi or internet that looks like this:
Clicking on it will tell you the name of the network you are connected to.